修复采集空指针

custom-gateway-zhscada/src/main/java/com/shkpr/service/customgateway/zhscada/components/DataCollector.java

@@ -92,7 +92,7 @@ public class DataCollector {
         }).flatMap(Collection::stream).collect(Collectors.toList());
 
         //构建influxdb
-        List<Point> points = dates.parallelStream().map(d -> d.toPoint(devices)).collect(Collectors.toList());
+        List<Point> points = dates.parallelStream().map(d -> d.toPoint(devices)).filter(Objects::nonNull).collect(Collectors.toList());
         //写入influxDb
         influxDbUtil.write(points);